n. A political philosophy maintaining that all persons are the absolute owners of their own lives, and should be free to do whatever they wish with their persons or property, provided they allow others the same liberty
the GNU version of the Collaborative International Dictionary of English
n. Libertarian principles or doctrines.
The Century Dictionary and Cyclopedia
n. The principles or doctrines of the libertarians.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an ideological belief in freedom of thought and speech
Word Usage
"As far as political strategery goes, Yglesias's article is perfectly correct as a critique of what he calls libertarianism-that is, the sort of thing engaged in by soft limited-govermentalist outfits like Cato or the Libertarian Party."